39 C.F.R. § 776.6 Design requirements for construction.
Title 39 - Postal Service
If structures impact, are located in, or support development in a floodplain, construction must conform, at a minimum, to the standards and criteria of the National Flood Insurance Program (NFIP), except where those standards are demonstrably inappropriate for postal purposes.
Title 39: Postal Service
PART 776—FLOODPLAIN AND WETLAND PROCEDURES
Subpart B—Floodplain Management
§ 776.6 Design requirements for construction.
